J Neurol Neurosurg Psychiatry 84:111-112 doi:10.1136/jnnp-2012-303298
  • Neurological picture

Dispersion and ‘salted pretzel sign’ from thrombolysis of a spontaneous calcified embolus in an acute stroke

  1. Patrik Michel1
  1. 1Department of Clinical Neuroscience, Neurology Service, Centre Hospitalier Universitaire Vaudois, University of Lausanne, Lausanne, Switzerland
  2. 2Interventional Neuroradiology, Radiology Department, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Lausanne, Switzerland
  1. Correspondence to Dr Markus Gschwind, Neurology Service BH13, Department of Clinical Neuroscience, Center Hospitalier Universitaire Vaudois (CHUV), University of Lausanne, Rue du Bugnon 46, Lausanne CH-1011, Switzerland; markus.gschwind{at}
  1. Contributors MG wrote the manuscript, created the images and treated the patient, SB created the images, AZ wrote the manuscript and treated the patient, PM wrote and revised the manuscript and treated the patient.

  • Received 22 May 2012
  • Revised 7 July 2012
  • Accepted 12 July 2012
  • Published Online First 9 August 2012

Emboli are one of the main causes of cerebral ischaemia and acute stroke. Calcified emboli are much less frequent, and most of the few reported cases occurred secondary to manipulation (aortic valve disease and cardiac catheterisation).1 Cases of spontaneous calcified emboli from the carotid artery, without previous manipulation, are very rare.2 While intravenous thrombolysis is the standard …

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